carriers’ delivery cost. In the classical vehicle routing problem (VRP) with time windows, each customer request has only one … the vehicle routing problem with delivery options (VRPDO), in which some requests can be shipped to alternative locations …

processing steps are highly interdependent. The schedule for picking needs to be synchronized with the routing decisions to … storage represents a bottleneck as capacity for order storage is limited. The simultaneous planning of picking and routing … routing problem with restricted intermediate storage. We present a comprehensive model formulation and introduce a general …

This paper develops new solution procedures for the order picker routing problem in U-shaped order picking zones with a …